tag

#quick-look

2 posts

macOSDeep Dive October 3, 2026 7 min read

Quick Look Preview Panels on macOS: Responder Ownership and Item Lifetimes

Integrate QLPreviewPanel with AppKit's responder chain, retained preview models, stable file access, reloads, and explicit teardown.

#macos#quick-look#appkit

macOSDeep Dive October 3, 2026 8 min read

Quick Look Thumbnailing on macOS: Requests, Extensions, and Cache Boundaries

Build responsive macOS thumbnails with QuickLookThumbnailing requests, bounded custom providers, content-type declarations, and stale-result handling.

#macos#quick-look#thumbnails